Sunday's game between the Giants and Rockies has been postponed due to rain.
No makeup date has been announced yet. Scheduled starters Tim Lincecum and Tyler Matzek will presumably be pushed back a day.
Hyun-Jin Ryu (shoulder) threw a bullpen session Sunday.
It's the first time he's thrown off the bump since his left shoulder soreness cropped up in mid-March. The Dodgers have understandably proceeded cautiously with the southpaw, but Ryu has progressed well in recent weeks. He's still a long ways away from a return, however.
Blue Jays sent RHP Todd Redmond outright to Triple-A Buffalo.
He cleared waivers after being designated for assignment and will remain in the organization. Redmond has allowed eight earned runs in 4 1/3 innings of relief this season for Toronto.
Rockies recalled RHP Jorge Rondon from Triple-A Albuquerque.
He had allowed just one run over his first five relief appearances at Triple-A. Rondon will give manager Walt Weiss another option for the middle innings.
Athletics signed INF Ryan Roberts to a minor league contract.
Roberts was released by the Royals late ins spring training after hitting just .219/.265/.313 in Cactus League play. He'll give the A's some veteran infield depth.
Jesse Chavez will take Kendall Graveman's spot in the Athletics' rotation.
It was the presumed move after Graveman was sent down Sunday. Chavez was mostly very good as a starter for the A's last season (3.44 ERA) and allowed just one run and one hit over six frames in a spot start last week. He should be owned in AL-only formats and deeper mixed leagues.
White Sox recalled RHP Daniel Webb from Triple-A Charlotte.
He'll serve as the 26th man during Sunday's abbreviated doubleheader. Webb posted a 6.23 ERA over his first six relief appearances at Charlotte this season.
Padres recalled RHP Cory Mazzoni from Triple-A El Paso.
Acquired in late March from the Mets in the Alex Torres deal, Mazzoni allowed one run and had a 13/1 K/BB ratio over 8 1/3 relief innings for El Paso. He'll be used in middle relief.